{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machine or equipment", "concept or principle", "machanical property", "process parameter", "material", "biomedical"], "input": "Having said that , current AM materials like Ti-6Al-4V , 316 stainless steel and CoCr alloys , etc ."}
{"machine or equipment": [], "concept or principle": [], "machanical property": [], "process parameter": [], "material": ["AM materials", "Ti-6Al-4V", "stainless steel", "CoCr alloys"], "biomedical": []}